| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 702099000 | Temperature | 45 |
| 20090024345 | Device and Method for Determining the Temperature of a Heat Sink - A method for determining the temperature of a heat source and an electronic unit, including a printed-circuit board equipped with a sensor and a heat sink, the sensor being connected to the heat sink in a heat-conducting manner. | 01-22-2009 |
| 20090192748 | SYSTEM FOR CHANGING FLUID TEMPERATURE AND METHOD FOR CONTROLLING SUCH A SYSTEM - A system for changing the temperature (T | 07-30-2009 |
| 20090125267 | Digital Thermal Sensor Test Implementation Without Using Main Core Voltage Supply - A method and apparatus are provided for calibrating digital thermal sensors. A processor chip with a plurality of digital thermal sensors receives an analog voltage. A test circuit coupled to the processor chip receives a clock signal and a register coupled to the test circuit outputs a value on each clock cycle to a digital thermal sensor in the plurality of digital thermal sensors. The digital thermal sensor transitions an output state in response to the value of the register received in the digital thermal sensor equaling a temperature threshold of the digital thermal sensor. The value of the register at the point of transition is used to calibrate the digital thermal sensor. An incrementer increments the value of the register on each clock cycle in response to the value of the register received in the digital thermal sensor failing to equal the temperature threshold of the digital thermal sensor. | 05-14-2009 |
| 20120185196 | DIAGNOSTIC SYSTEM AND METHOD FOR A THERMISTOR AMPLIFIER CIRCUIT - A diagnostic system and a diagnostic method for a thermistor amplifier circuit are provided. The system includes a transistor electrically coupled to a controllable variable resistor having a predetermined resistance. The transistor applies a test voltage signal to the circuit indicative of a first temperature value. An amplitude of the test voltage value is indicative of a simulated thermistor temperature value. The microprocessor determines a test temperature value based on the amplitude of an output voltage of the circuit. The microprocessor also determines an inaccuracy value based on the test temperature value and the simulated thermistor temperature value. | 07-19-2012 |
| 20120191398 | ANGULAR VELOCITY SENSOR - An angular velocity sensor includes a vibration body having a sensor electrode, a driving electrode, and a monitor electrode. The monitor electrode generates a signal according to vibration of the vibration body. The sensor circuit outputs a signal representing an angular velocity applied to the vibration body. The amplitude determination circuit measures amplitude of vibration of the vibration body. A PLL circuit includes a constant voltage source for generating a constant voltage, a timing switching unit for outputting a voltage by switching selectively between the constant voltage and a voltage corresponding to the monitor signal, and a voltage-controlled oscillator for outputting an oscillation signal having a frequency corresponding to the voltage output from the timing switching unit. When the amplitude measured by the amplitude determination circuit is smaller than a predetermined value, the timing switching unit outputs, to the voltage-controlled oscillator, the constant voltage output from the constant voltage source and outputs a start-up mode signal. This angular velocity sensor has a stable output characteristic. | 07-26-2012 |
| 20130060499 | TEMPERATURE MEASURING DEVICE OF A POWER SEMICONDUCTOR APPARATUS - A temperature measuring device of a power semiconductor apparatus that accurately detects chip temperature even where a gradient of the measured characteristic line segment is different from a designed gradient, including a chip temperature detecting circuit that includes an A/D converter delivering a measurement value of a digital converted forward voltage across a temperature detecting diode and an operational processing unit for calibration and chip temperature calculation. In calibration processing, different known reference voltages are applied by a reference connected in place of the diode and a gradient of the line segment connecting the measurement values is calculated. The gradient is stored in a memory with an offset correction value that is one of the measurement values. A chip temperature is calculated based on a forward voltage across the diode calculated based on the measurement value and the stored values of the gradient and the offset correction value. | 03-07-2013 |
| 20120226460 | CALIBRATION OF TEMPERATURE SENSING CIRCUITRY IN AN ELECTRONIC DEVICE - Temperature sensing circuitry is used for thermal management of an electronic device. The temperature sensing circuitry includes at least one thermistor placed at or near a component of the electronic device. The temperature sensing circuitry also includes a high-precision resistor for calibration purposes. The resistance of the resistor is equivalent to the resistance of the thermistor at a reference temperature. A calibration reading is obtained using a set current that is being passed through the resistor. An error present in the temperature sensing circuitry is determined based on the calibration reading and a design value. A temperature measurement associated with the component is then made using the thermistor, while the set current is being passed through the thermistor. The error is corrected in the temperature measurement of the component. Other embodiments are also described. | 09-06-2012 |
| 20110054822 | Thermowell vibration frequency diagnostic - An apparatus and a method monitor condition of a temperature measurement point in an industrial process system by sensing vibration frequency of a thermowell positioned in a process fluid flow passage and providing a diagnostic output based upon the vibration frequency sensed. The apparatus includes a temperature measurement point having a thermowell, a vibration sensor, a temperature sensor, and a transmitter. The vibration sensor is fixedly attached to the thermowell, and the temperature sensor is positioned inside a bore cavity of the thermowell. The transmitter is electrically connected to both the temperature sensor and the vibration sensor. | 03-03-2011 |
| 20080208503 | Method and device for compensating temperature dependencies - The invention concerns a method for measuring the temperature dependency of a sensor element for a variable, the value of which varies with the temperature, for any liquid, which method comprises the steps of changing the temperature of the liquid over time, simultaneously collecting the data produced by the sensor element, and thereafter using the data produced by the sensor element at the different temperatures to determine coefficients for compensation algorithms of the temperature dependencies of the sensor element, thus producing a correlation between the change in temperature and the other measured variables. | 08-28-2008 |
| 20110295540 | Non-Contacting Temperature Profile Measurement of Rotating Rolls - A high-resolution, non-contact sensor that measures the temperature of an elongated roll comprises an array of low-mass air temperature elements positioned adjacent the cylindrical surface. As the roll rotates a boundary layer of air is formed along the contour of the roll. Each air temperature element can be housed in a chamber into which a portion of the boundary layer air directed. The temperature of the air temperature element eventually stabilizes and is a function of the roll surface temperature. Associated air compensator elements detect ambient air temperatures and the actual surface temperature profile is extracted from calibration curves based on measurements from both the air temperature and compensator elements. | 12-01-2011 |
| 20110295539 | METHOD AND APPARATUS FOR MEASURING INTRA-DIE TEMPERATURE - A method for measuring the intra-die temperature of a wafer with a fast response time is described. The method includes providing a wafer in a thermal process chamber, radiating the wafer in a first predetermined radiation range to heat the wafer to a predetermined temperature range for a predetermined time, receiving the radiation reflected from a die area while the wafer is being heated and detecting reflected radiation having a second predetermined radiation range, and determining a temperature of the die area by a processor being responsive to the detected second predetermined radiation range. | 12-01-2011 |
| 20110106476 | METHODS AND SYSTEMS FOR THERMISTOR TEMPERATURE PROCESSING - A method for interpreting a temperature reading of a thermistor includes the steps of calculating a power dissipation of the thermistor via a processor and calculating a temperature error for the temperature reading via the processor using the power dissipation. | 05-05-2011 |
| 20110125443 | METHOD AND APPARATUS FOR DETERMINING MEASUREMENT VALUES - The present invention describes a method for determining a value for the temperature, radiation, emissivity, transmissivity and/or reflectivity of an object ( | 05-26-2011 |
| 20110224936 | THERMOMETER AND TEMPERATURE MEASUREMENT METHOD - A thermometer includes a first surface temperature measurement unit; a first reference temperature measurement unit; a second surface temperature measurement unit; a second reference temperature measurement unit; a temperature correction unit that calculates a mounting positional difference between the first and second surface temperature measurement units from a measurement subject and a mounting positional difference between the first and second reference temperature measurement units from the measurement subject in terms of temperature differences that compensate for temperature dependence, thus correcting the first surface temperature and first reference temperature, or the second surface temperature and second reference temperature; and a core temperature calculation unit that calculates a core temperature of the measurement subject using the first surface temperature and first reference temperature or the second surface temperature and second reference temperature corrected by the temperature correction unit. | 09-15-2011 |
| 20090198469 | Method and System for Compensating Temperature Readings from a Temperature Sensing Crystal Integrated Circuit - Aspects of a method and system for compensating temperature readings from a temperature sensing crystal integrated circuit are provided. In this regard, a temperature indication and calibration voltages from a temperature sensing crystal integrated circuit (TSCIC) may be digitized and the digital signals may be utilized to calculate a compensated temperature indication. Data derived from a memory integrated within the TSCIC may be retrieved based on the compensated temperature indication. The retrieved data may be utilized to control operation of one or more circuits. The compensated temperature indication may be calculated by removing a gain error and/or offset error from the digitized temperature indication. The compensated temperature indication may be utilized as an index for a data table. The compensated temperature indication may be a normalized compensated temperature indication. The calibration voltages may comprise a minimum voltage and/or a maximum voltage that the TSCIC is operable to output. | 08-06-2009 |
| 20110144937 | DEVICE AND METHOD OF SENSING TEMPERATURE OF A ROTATING ELECTROMAGNETIC MACHINE - A system and method of determining the temperature of a rotating electromagnetic machine, such as an electric motor or generator. A temperature calibration parameter is calculated based on the temperature of an object situated close to the motor, such as a motor drive connected to the motor, and a first resistance value of the winding. In exemplary embodiments, the motor drive and first resistance value are determined only after the motor has been idle for some predetermined time period. Once the calibration parameter is calculated, the processor uses it along with subsequent resistance measurements to calculate the temperature of the motor. | 06-16-2011 |
| 20110231135 | Auto-correcting or self-calibrating DTS temperature sensing systems and methods - An automatic auto-correcting method is presented to improve the accuracy of fiber optic distributed temperature measurements derived from Raman back scatterings utilizing two light sources with different wavelengths, by appropriate choice of the wavelengths of the two sources, the use of single pulse modulating circuit for the two light sources, and use of one of the light sources as a primary measurement system and the second light source as an occasional correcting source. | 09-22-2011 |
| 20090099804 | Outside Ambient Temperature Initialization Technique - A method of determining air temperature outside a passenger compartment of a motor vehicle, the motor vehicle having an engine and an outside air temperature (OAT) sensor disposed outside the passenger compartment. The OAT sensor is located in a region which is exposed to heat after the engine is turned off. The method includes measuring a series of temperature values at the OAT sensor, using the measured OAT sensor values to develop a temperature-time function, and generating an adjusted OAT value using an observed time, the measured OAT sensor values, and the temperature-time function. | 04-16-2009 |
| 20080262773 | Systems and methods for measuring temperature - Systems and methods for determining a temperature sensitivity of a MEMS device are disclosed. An exemplary method includes determining a temperature response of a MEMS device at an arbitrary temperature and calibrating the MEMS device based on the temperature response. | 10-23-2008 |
| 20090150110 | Method of using a bipolar transistor as a self-calibrated thermometer and/or temperature sensor - This invention relates a method to use a bipolar transistor as temperature sensor and/or self-calibrated thermometer which is immune to errors generated by parasitic elements as resistances and ideality factors and their evolution. In this invention the product of the collector current values I | 06-11-2009 |
| 20110106475 | Total Air Temperature Probe and Method for Reducing De-Icing/Anti-Icing Heater Error - A method of reducing de-icing heater error (DHE) in total air temperature (TAT) probes is provided. Using the method, a nominal DHE function is obtained for a particular type of TAT probe, with the nominal DHE function having been derived from a plurality of TAT probes of the particular type. A probe specific correction coefficient is calculated for an individual TAT probe of the particular type as a function of a measured DHE at a first airflow and a predicted DHE at the first airflow. The predicted DHE at the first airflow is determined using the nominal DHE function derived from the plurality of TAT probes of the particular type. The probe specific correction coefficient is then stored for later use, or used to determine DHE with the individual TAT probe over a range of airflows as a function of the probe specific correction coefficient. | 05-05-2011 |
| 20100191496 | METHOD FOR COMPENSATING FOR TEMPERATURE MEASUREMENT ERROR IN A SOND - The invention relates to a method for correcting a radiation error in atmospheric temperature measurement, particularly when using a radiosonde ( | 07-29-2010 |
| 20090112503 | On-chip over-temperature detection - An improved method and apparatus for setting a trip-point temperature value for detection of an over-temperature condition in a chip when a reading from a main temperature sensor exceeds the trip-point temperature value. In one embodiment, the trip-point temperature value is set to a known temperature limit value offset by a temperature difference, ΔT. ΔT is calculated by taking the difference between a reading of the main temperature sensor and a reading of another temperature sensor, remote from the main temperature sensor, while a heat-generating circuit is enabled. The main temperature sensor is distal from heat-generating circuit on the chip and the remote temperature sensor is proximate the heat-generating circuit. For multiple heat-generating circuits on the chip, a ΔT is determined for each of the heat-generating circuits, and the largest ΔT is used to calculate the trip-point temperature value. Advantageously, the largest ΔT determination may be done only once. | 04-30-2009 |
| 20110238351 | METHOD AND SYSTEM FOR CORRECTING A TEMPERATURE MEASUREMENT SIGNAL - A method including digitally modelling a temperature measured by a sensor by using a modeled signal and estimating a lag error signal for the sensor from the modeled signal and a signal obtained by filtering the modeled signal, the filter having as a parameter an estimate of a time constant of the sensor, and correcting the measurement signal delivered by the sensor by the estimated lag error signal. The time constant of the sensor is estimated as a function of time from the measurement signal and the modeled signal. | 09-29-2011 |
| 20100312512 | Single light source automatic calibration in distributed temperature sensing - System and method for auto correcting temperature measurement in a system using a fiber optic distributed sensor and a single light source by making use of both spontaneous and stimulated Raman backscattering. | 12-09-2010 |
| 20110246117 | CALIBRATING SENSOR MEASUREMENTS ON MOBILE DEVICES - Sensor measurements are used to detect when a device incorporating the sensor is stationary. While the device is stationary, sensor measurements at a current device temperature are used to estimate model parameters. The model parameters can be used in a state estimator to provide an estimated attitude that can be provided to other applications. In some implementations, the estimated attitude can be used to mitigate interference in other sensor measurements. | 10-06-2011 |
| 20090312976 | Mini-Cell, On-Orbit, Temperature Re-calibration Apparatus and Method - A method for on-orbit calibration of the temperature sensors of a simulated blackbody is disclosed. The method may include selecting a simulated blackbody traveling in a micro-gravity environment and comprising a sensor, a container positioned proximate the senor and containing a material, and a heat transfer device positioned proximate the at least one container. The heat transfer device may transition the material through a phase change. The temperature sensor may monitor the temperature of the material during the phase change. A correction may be calculated to correct any disparity between the temperature reported by the temperature sensor during the phase change and the known plateau temperature corresponding to that phase change. The correction may be applied to subsequent temperature readings obtained using the temperature sensor. | 12-17-2009 |
| 20110125444 | Mini-Cell, On-Orbit, Temperature Re-Calibration Apparatus and Method - A method for on-orbit calibration of the temperature sensors of a blackbody is disclosed. The method may include selecting a blackbody traveling in a micro-gravity environment and comprising a sensor, a container positioned proximate the sensor and containing a material, and a heat transfer device positioned proximate the at least one container. The heat transfer device may transition the material through a phase change. The temperature sensor may monitor the temperature of the material during the phase change. Additionally, the state of the material may be measured by displacement of the container to improve the accuracy of the plateau temperature measurement. A correction may be calculated to correct any disparity between the temperature reported by the temperature sensor during the phase change and the known plateau temperature, measured at a threshold state of the material, corresponding to that phase change. The correction may be applied to subsequent temperature readings obtained using the temperature sensor. | 05-26-2011 |
| 20100324851 | Method for Determining the Exhaust Gas Temperature of a Vehicle Engine - The invention relates to a method for determining the exhaust gas temperature of a vehicle motor using a temperature probe comprising a temperature sensor and a protective tube, which surrounds the temperature sensor and projects into an exhaust gas flow. According to the invention, a corrected temperature value is calculated from a plurality of chronologically consecutive temperature measurement values, using a characteristic of the thermal inertia of the temperature probe. The invention further relates to a temperature probe comprising an evaluation unit, which during operation carries out such a method. | 12-23-2010 |
| 20120310578 | Correcting noncontact infrared thermometer data by removing contamination of the intervening atmosphere - Apparatus and methods are disclosed for enhancing data accuracy of a noncontact infrared thermometer. One method includes determining dry atmospheric constituency and water vapor absorption coefficients across the infrared thermometers spectral bandpass and implementing the coefficients in processing with site-based atmospheric temperature and water vapor density profile and pressure measurements to provide corrected target temperature data compensating for contamination in said raw data due to said intervening atmosphere. The method is particularly well adapted for use in correcting data from less expensive but also less accurate wideband infrared thermometers. | 12-06-2012 |
| 20110119014 | METHOD AND SYSTEM FOR DETERMINING THE ROTOR TEMPERATURE OF AN ELECTRIC MOTOR OF A HYBRID VEHICLE - A method and a system for determining the rotor temperature of an electric motor of a hybrid vehicle. In a method for determining the rotor temperature of an electric motor of a hybrid vehicle in which it is possible to reliably determine the rotor temperature using simple means, the rotor temperature of the electric motor being ascertained by measuring an operating parameter of the electric motor during operation of the hybrid vehicle. | 05-19-2011 |
| 20120041703 | Temperature Measurement Correction Using Multiple Temperature Sensors - Correcting a temperature measurement of a target sensed at one temperature sensor in an asset tracking device by using another temperature sensor. The asset tracking device includes at least one heat source that affects the temperature sensor for sensing the temperature of the target. The other temperature sensor measures temperature at a location in the asset tracking device. The relationships between an actual temperature of the target and the temperature measured at the two sensors are established through experiments or model. Using the relationships, the measured temperature of the target can be corrected to obtain a corrected temperature of the target. | 02-16-2012 |
| 20120004880 | Temperature Sensor and Temperature Sensing Method - A temperature sensor is provided. The temperature sensor includes: a temperature sensing unit for sensing a temperature and outputting a temperature sensing signal; an analog-to-digital converter (ADC), coupled to the temperature sensing unit, for converting the temperature sensing signal to a digital value, having an ADC output range; a calibration unit, coupled to the ADC, for correlating the ADC output range with at least one temperature range; a memory unit, coupled to the calibration unit, recording the ADC output range, and the at least one temperature range, and the correlation therebetween. | 01-05-2012 |
| 20120010839 | METHOD AND SYSTEM FOR SIGNAL GENERATION VIA A TEMPERATURE SENSING CRYSTAL INTEGRATED CIRCUIT - Aspects of the invention may comprise an integrated circuit comprising a memory, a temperature sensor, a crystal, and a communication module. Data stored in the memory may indicate a frequency of the crystal as a function of temperature and/or time. The memory may be writable via the communication module. Data stored in the memory of the integrated circuit may be updated based on an age and/or time of use of the integrated circuit. The time of use may be one or both of: how long the crystal has been oscillating since its most-recent start up, and how long the crystal has been in use over its lifetime. An electronic device may calculate a frequency of an oscillating signal output by the crystal based on a temperature indication from the temperature sensor and data read from the memory of the integrated circuit. | 01-12-2012 |
| 20110166815 | METHOD AND DEVICE FOR ESTIMATING THE TEMPERATURE SENSED UPON CONTACT WITH A SURFACE - A method and apparatus for estimating the temperature sensed upon contact with a surface. The method includes contactless heating of the surface, contactless measurement of a time change in temperature of the surface, and estimation of the temperature sensed upon contact with the surface on the basis of this time change in temperature. | 07-07-2011 |
| 20120116706 | Analysis Device and Analysis Method - Provided is an analysis device or an analysis method, by which highly reliable analysis results can be obtained even in the circumstances where environment temperature changes, while reducing load on the user. The analysis device ( | 05-10-2012 |
| 20120072157 | USER COMPUTER DEVICE WITH TEMPERATURE SENSING CAPABILITIES AND METHOD OF OPERATING SAME - A user computer device is provided that comprises a temperature sensitive touchscreen having a temperature sensitive user interface comprising multiple thermal energy emitter/detector devices, such as thermocouples. The multiple thermal energy emitter/detector devices are capable both of detecting thermal energy and emitting thermal energy. The temperature sensitive user interface generates thermal patterns that may be transferred to other thermally sensitive electronic devices or that may be used to authenticate the user computer device. The user computer device also can detect and thermally communicate with a thermal energy docking station and, based on thermal recognition, activate applications displayed on the temperature sensitive touchscreen. Further, the user computer device can auto-bias a temperature of the temperature sensitive user interface in order to better assure proper operation of the temperature sensitive user interface in all operating conditions. | 03-22-2012 |
| 20120084038 | AUTONOMOUS DISTRIBUTED THERMOCOUPLE CONTROL - Aspects describe creation of autonomous control for a composite curing process. Other aspects describe a controller and an apparatus for employing an autonomous control algorithm for a composite curing application. The algorithm can be based on thermocouple rules encapsulated within a thermocouple control wrapper. The thermocouple rules allow the thermocouple wrapper carry out diagnostic operations to determine the health of the associated thermocouple by communicating with neighboring thermocouples and validating temperature readings according to the thermocouple rules. | 04-05-2012 |
| 20120215477 | Accelerometer and Automatic Calibration of Same - An accelerometer ( | 08-23-2012 |
| 20110184686 | METHOD AND SYSTEM FOR COMPENSATING TEMPERATURE READINGS FROM A TEMPERATURE SENSING CRYSTAL INTEGRATED CIRCUIT - Aspects of a method and system for compensating temperature readings from a temperature sensing crystal integrated circuit are provided. An electronic device may digitize a temperature indication received from a temperature sensing circuit, digitize one or more calibration voltages received from said temperature sensing circuit, and calculate a compensated temperature indication utilizing the digitized calibration voltage(s), and the digitized temperature indication, and data from a table that characterizes behavior of the temperature sensing circuit as a function of temperature. One or more circuits in the electronic device may be controlled based on the compensated temperature indication. The compensated temperature indication may compensate for a gain error and/or offset error of a digital to analog converter that digitizes the temperature indication and the calibration voltage(s). There may be two calibration voltages. | 07-28-2011 |
| 20120179407 | Enhancing Thermocouple Temperature Measurement Accuracy with Local RTDS to Compensate Terminal Temperature Difference - An I/O circuit for measuring temperatures uses multiple cold-junction compensation sensors permanently affixed near the terminals of the terminal block in order to compensate significant temperature variation across the terminals of the I/O module (up to 3° C.) that can substantially affect the accuracy of thermocouple measurements. The use of these multiple sensors is enabled by a compensation system that corrects for the distance between the built-in sensors and the terminals, a multiplexer that accommodates the additional signal burden produced by the sensors, and a compensation system that allows low-cost sensors to be used and calibrated to as little as a single high accuracy sensor. In one embodiment, a third temperature sensor with relatively higher accuracy is used to compensate for lower accuracy of permanently affixed sensors. | 07-12-2012 |
| 20100017163 | EAR-TYPE THERMOMETER AND A CONTROL METHOD THEREOF - An ear-type thermometer which measures body temperature using a temperature detection element | 01-21-2010 |
| 20120265473 | SEMICONDUCTOR DEVICE AND DATA GENERATION METHOD - Improvement in the accuracy of a temperature sensor is aimed at, suppressing the number of the test temperature in a test process. The semiconductor device comprises a coefficient calculation unit which calculates up to the N-th order coefficient (N is an integer equal to or greater than one) of a correction function as an N-th order approximation of a characteristic function indicating correspondence relation of temperature data measured by a temperature sensor unit and temperature, based on N+1 pieces of the temperature data including a theoretical value at a predetermined temperature in the characteristic function and N measured values of the temperature data measured by the temperature sensor unit at N points of temperature; and a correction operation unit which generates data including information on temperature, by performing calculation using the correction function to which the coefficients calculated are applied, based on temperature data measured by the temperature sensor unit. | 10-18-2012 |
| 20110276297 | SYSTEM AND METHOD FOR FOOD SAFETY INSPECTION - A system and a method for monitoring and inspecting food safety is disclosed. The system adopts insert and use concept that only requires an initial push on a button to begin its function. The system provides visual alert for different conditions if food products are in unsafe status. The system is pre-calibrated during manufacture without complicated or multi-step calibration or recalibration procedures during application. The system relies on modern surface-mount microprocessor technology that enables long-term calibration stability along with very low power consumption for extended battery life. | 11-10-2011 |
| 20100198546 | METHODS AND SYSTEMS FOR TEMPERATURE COMPENSATED TEMPERATURE MEASUREMENTS - Methods and systems for compensating temperature measurements by a temperature gauge comprising a first temperature sensor and a second reference temperature sensor, having different thermal properties, located in the same temperature environment to be measured. The methods and systems compensate for errors in the measured temperatures due to variations in the reference sensor caused by temperature effects. | 08-05-2010 |
